<mat-accordion>
  <mat-expansion-panel class="docs-expansion-scene-panel" expanded="true">
    <mat-expansion-panel-header>
      <mat-panel-title>
        <mat-icon>group</mat-icon>
      </mat-panel-title>
      <mat-panel-description>
        Authorized users
      </mat-panel-description>
    </mat-expansion-panel-header>
    <div class="docs-expansion-scene-content"><mat-icon>add</mat-icon> Add user</div>
  </mat-expansion-panel>
  <mat-expansion-panel class="docs-expansion-scene-panel">
    <mat-expansion-panel-header>
      <mat-panel-title>
        <mat-icon>public</mat-icon>
      </mat-panel-title>
      <mat-panel-description>
        Network settings
      </mat-panel-description>
    </mat-expansion-panel-header>
    <p>This is the primary content of the panel.</p>
  </mat-expansion-panel>
</mat-accordion>
